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siRNA Transfection

siRNA TransfectionGeneSilencer™ reagent offer high siRNA transfection efficiency, as well as functional gene silencing post siRNA delivery. This sirna transfection reagent is compatibility with diverse growth conditions (with and without serum), has low cytotoxicity, and comes with easy-to-use protocols for both adherent and suspension cells

RNA interference (RNAi) has become an important tool for studying gene functions because it allows sequence specific gene suppression in a variety of organisms and cultured cells. RNAi is characterized by targeted mRNA degradation after introduction of sequence-specific double stranded RNAs (dsRNAs) into cells. Several studies indicate that RNAi is an evolutionarily conserved defense mechanism directed against invading viral genomes or aberrant transcription products. In vitro studies using Drosophila lysates revealed that 21-25 nucleotide small interfering RNA duplexes (siRNAs) are the mediators of gene silencing. These siRNAs are derived from processing of the dsRNA by an RNase III-like enzyme. The mechanism involves the recruitment of siRNAs into a multi-protein complex known as RNA Induced Silencing Complex (RISC), which interacts with the target RNA to mediate cleavage in a catalytic fashion.

Complex pools of siRNAs can be produced by incubating in vitro transcribed long double stranded RNAs (~500bp) with recombinant RNase III or recombinant human Dicer enzyme. These pools compare favorably with chemically synthesized siRNAs in terms of their effectiveness and off-target effects and they have been successfully applied to both large scale screens and functional studies of individual proteins.

Genlantis offers a series of RNAi products for achieving targeted gene suppression. These include the highly optimized GeneSilencer siRNA Transfection Reagent for efficient and functional siRNA delivery as well as the Dicer and Turbo Dicer siRNA Generation kits and components for enzyme-mediated in vitro production of heterogeneous siRNA cocktails.

GeneSilencer<sup>&#0174;</sup> Transfection Reagent
siGuard&#8482; RNase Inhibitor
Efficient transfection of siRNA into mammalian cells
Prevent degradation of siRNA samples by RNase
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